E-ACE K45/K45P

E-ACE Smart Cigarette Lighter USB TPMS Car Tire Pressure Temperature Alarm Monitor System User Manual

Model: K45 (External Sensor) / K45P (Built-in Sensor)

Brand: E-ACE

1. Introduction

The E-ACE Smart Cigarette Lighter USB TPMS (Tire Pressure Monitoring System) is designed to provide real-time monitoring of your vehicle's tire pressure and temperature. This system enhances driving safety by alerting you to abnormal tire conditions. It features a convenient cigarette lighter plug-and-play design and includes a USB charging port for added utility. This manual covers the installation, operation, and maintenance for both external and built-in sensor versions.

E-ACE TPMS Monitor and Sensors
Figure 1: E-ACE TPMS Monitor and Sensor Options (External and Built-in)

2. Product Features

TPMS Monitor in car showing display features
Figure 2: Monitor displaying tire pressure, temperature, and battery voltage.
Diagram showing TPMS compatibility with SUV, Sedan, and Van
Figure 3: Wide compatibility with various car models.

3. Setup and Installation

3.1 Monitor Installation

  1. Insert the TPMS monitor directly into your vehicle's 12V cigarette lighter socket.
  2. The monitor will automatically power on when the vehicle starts moving due to its intelligent shock boot feature.
  3. Adjust the screen angle for optimal visibility and to minimize glare.
TPMS monitor plugged into cigarette lighter
Figure 4: Monitor plugged into the cigarette lighter socket.
Diagram showing adjustable screen angle
Figure 5: Adjustable screen angle for personalized comfort.

3.2 Sensor Installation (External Sensor - K45)

External sensors are designed for easy, user-friendly installation and replacement.

  1. Unscrew the original valve cap from the tire valve.
  2. Screw on the anti-theft hexagonal nut onto the valve stem.
  3. Screw the external sensor onto the valve stem. Ensure the sensor is tightened securely.
  4. Use the provided wrench to tighten the hexagonal nut against the sensor to prevent theft.
  5. Check for air leaks by applying soapy water around the valve and sensor.
Diagram for external sensor installation
Figure 6: Step-by-step guide for external sensor installation.

3.3 Sensor Installation (Built-in Sensor - K45P)

Built-in sensors require professional installation at a car service center due to the need for tire removal and dynamic balancing.

  1. Remove the original air nozzle from the wheel.
  2. Install the tire pressure sensor according to the marked position.
  3. Inflate the tire to the recommended pressure.
  4. Cover the air vent.
  5. Perform dynamic balancing machine testing.
  6. Adjust the counterweight and install the balance block (must be cleaned and dried before pasting).
Diagram for built-in sensor installation
Figure 7: Step-by-step guide for built-in sensor installation.

4. Operating Instructions

4.1 Power On/Off

The monitor automatically powers on when plugged into the cigarette lighter and the vehicle is in motion. It will power off when the vehicle is stationary for an extended period or when removed from the power source.

4.2 Display Information

The LCD screen displays the following information for each tire:

4.3 Alarm Functions

The system will provide visual and audible alerts for the following conditions:

4.4 USB Charging Port

The monitor includes a USB output and a Type-C output port for charging digital devices. These ports operate independently of the TPMS monitoring function.

USB and Type-C charging ports on the TPMS monitor
Figure 8: USB and Type-C ports for digital charging.

5. Maintenance

5.1 External Sensor Battery Replacement (K45)

The external sensors have replaceable batteries with an estimated life of 2 years.

  1. Remove the dismantling gasket from the sensor.
  2. Use the provided wrench to open the sensor shell.
  3. Carefully remove the old battery.
  4. Insert a new CR1632 battery, ensuring correct polarity.
  5. Close the sensor shell and re-install the dismantling gasket.
Diagram showing steps to replace external sensor battery
Figure 9: Steps for external sensor battery replacement.

5.2 Built-in Sensor Battery

The built-in sensors have an estimated battery life of 5 years and are not designed for user replacement. If a built-in sensor battery depletes, the sensor unit will need to be replaced by a professional.

5.3 General Care

6. Troubleshooting

If you encounter issues with your TPMS, refer to the following common problems and solutions:

Images showing various tire problems like low pressure, blowout, and uneven wear
Figure 10: Visual representation of hazards due to incorrect tire pressure.

7. Specifications

Table of product specifications for monitor, external, and built-in sensors
Figure 11: Product Function Introduction and Specifications.
Product Specifications
FeatureMonitorExternal Sensor (K45)Built-in Sensor (K45P)
Operating Frequency433.92MHz433.92MHz433.92MHz
Output VoltageDC5VDC5VDC5V
Working Current10mA-2A10mA-2A10mA-2A
Output InterfaceUSB/TYPE-CUSB/TYPE-CUSB/TYPE-C
Input InterfaceCar cigarette lighter portCar cigarette lighter portCar cigarette lighter port
Working TemperatureN/A-20℃ to 80℃-40℃ to 125℃
Battery LifeN/A (powered by car)2 Years (replaceable)5 Years (not replaceable)
Protection RatingN/AIP67IP67

8. User Tips

9. Warranty and Support

E-ACE products are designed for reliability and performance. For any product-related inquiries, technical support, or warranty claims, please refer to the seller's contact information or the platform's customer service. Keep your purchase receipt as proof of purchase.